456 



NATURE 



[December 19, 1912 



Outlines of the History of Psychology. By Prof. 

 M. Dessoir. Authorised translation by D. Fisher. 

 Pp. xxix + 278. (London : Macmillan and Co., Ltd.) 

 7,<. net. 



Crops and Methods for Soil Improvement. By A. 

 .Agee. Pp. XV + 246. (London : Macmillan and Co., 

 Ltd.) 5s. 6d. net. 



Monumental Java. By J. F. Scheltema. Pp. xviii + 

 302 + xl plates. (London: Macmillan and Co., Ltd.) 

 I2X. 6d. net. 



The Principia, or the First Principles of Natural 

 Thinsj^s. To which are added the Minor Principia and 

 . Summary of the Principia. By E. Swedenborg. 

 Translated from the Latin bv I. Tansley. Vol i., 

 pp. CV+S45; vol. ii., pp. xxi + 669. (London: The 

 Swedenborg Society.) 



Cambridge County Geographies : — Linlithgowshire. 

 By T. S. Muir. Pp. viii+142 + 2 maps. Rutland. By 

 G. Phillips. Pp. x+ 171 + 2 maps. (Cambridge 

 LTniversity Press.) \s. 6d. each. 



Problemes d 'Analyse Math^matique. By Prof. E. 

 Fabry. Pp. ii + 460. (Paris: A. Hermann et Fils.) 

 12 francs. 



Legons sur I'lntegration des Equations Diff6- 

 rentielles aux Deriv^es. By Prof. M. V. Volterra. 

 Pp. ii + 3 + iv + 83. (Paris': A. Hermann et Fils.) 

 6 francs. 



Experimental Researches on the Specific Gravity and 

 the Displacement of Some Saline Solutions. ByJ. Y. 

 Buchanan. Pp. 227. (Edinburgh : Neill and Co., 

 Ltd.) 7^. 6d. net. 



Makers of British Botany. A Collection of 

 Biographies by Living Botanists. Edited by F. W. 

 Oliver. Pp. iv + 332 + xxvi plates. (Cambridge Uni- 

 versity Press.) 9^. net. 



Changes in Bodilv Form of Descendants of Immi- 

 grants. By Prof. F. Boas. Pp. xii + 573. (New 

 York : Columbia University Press ; London : H. 

 Frowde.) 7^. 6d. net. 



The Writers' and Artists' Year-Book, T913. Edited 

 by G. E. Mitton. Pp. vii+147. (London: A. and C. 

 Black.) IS. net. 



Who's Who, 1913. Pp. XXX + 2226. (London : A. 

 and C. Black.) 15s. net. 



Books that Count. Edited bv W. F. Gray. Pp. 

 xx + 3iS + lviii. (London : .'X. and C. Black.) ss.net. 



The Englishwoman's Year Book and Directory, 

 1913. Edited bv G. E. Mitton. Pp. xxxi + 412. (Lon- 

 don : A. and C. Black.) 2s. 6d. net. 



Einleitung in die Experimentalphvsik : Gleichgewicht 

 und Bewegung. By R. Bornstein. Pp. iv + ii8. 

 (Leipzig : B. G. Teubner.) 1.25 marks. 



Das Auge und die Brille. Bv Dr. M. von Rohr. 

 Pn. vi+ioo + plate. (Leipzig: B. G. Teubner.) 1.25 

 marks. 



School Gardening, with a Guide to Horticulture. 

 By A. Hosking. Pp. xi + 326. (London: W. B. 

 Clive.) 3s. 6d. 



A Barometer Manual for the Use of Seamen. 

 Seventh edition. Pp. 83. (London : H.M.S.O. ; 

 Wvman and Sons, Ltd.) 6d. 



Meteorological Office. Hourly Values from Auto- 

 graphic Records: Geophysical Section, 1911. Pp. 89. 

 (London : H.M.S.O., Meteorological Office.) 5s. 



Highways and Byways in Somerset. Bv E. Hutton. 

 Pp. xviii + 4ig. (London: Macmillan and Co., Ltd.) 

 5s. net. 



Annals of the South African Museum. Vol. x., 

 part iv., pp. 75-12S; vol. x., part v., pp. 129-176+16 

 plates. (London : West, Newman and Co.) 2s. 6d. 

 .md iSs. respectively. 



Records of the Geological Survey of India. Vol. 

 \lii., part iii., 1912. Pp. 133-230. (Calcutta and Lon- 

 don : Kegan Paul and Co., Ltd.) i rupee. 

 NO. 2251, VOL. 90] 



The Story of a Hare. By J. C. Tregarthen. Pp. 

 xi+ 199 + plates. (London: J. Murray.) 6s. net. 



Vorlesungen iiber vergleichende Anatomic. 2 Lief. 

 By Prof. b. Biitschli. Pp. iv + 401-644. (Leipzig! 

 W. Engelmann.) 9 marks. 



Guide to the Materials for American History, to 

 1783, in the Public Record Office of Great Britain. 

 Vol" i.. The State Papers. By Prof. C. M. Andrews. 

 Pp. xi + 346. (Washington: Carnegie Institution.) 



The Crinoids of the Indian Ocean. By A. H. 

 Clark. Pp. iii + 325. (Calcutta: Indian Museum.) 

 20 rupees. 



DIARY OF SOCIETIES. 



THURSDAY, December 19. 



LiNNEAN Society, at 8.— Experiments on the Pollination of our Hardy 

 Fruits: C. Hoojier.— The Morphology and Histology of Piper Betle, 

 Linn: H. M. Chibber.— Some New British Plants: G. Claridge Druce. — 

 Wild Rice, ."innu.il .ind Perennial : Dr. Otto Stape. 



Institution of Electrical Engineers, at 8. —The Work of the Inter- 

 national Electro technic.l Commission : Dr. S. P. Thompson. 



Institution of Mining and Metalt urgv, at 8.— The Dressing of Tin 

 Ores in Cornw.ill : W. Fischer Wilkinson.— Notes on the Direct Volu- 

 metric Determination of Tin ; H. J. B. Rawlins.— Notes on the Valuation 

 of Nigerian Tin Concentrate : R. T. Hancock. 



FRIDAY, December 20. 



Institution of Mechanical Engineers, at i.— Further Discussion: 

 Vapour-Compression Refrigerating Machines: J. Wemyss Anderson.— 

 A Contribution to the Theory of Refrigerating Machines : J. H. Grindley. 



CONTENTS. P.^GE 



Production and the Public Revenue. By N. B. 



Dearie 43' 



Chemical Books and Tables. By T. M. L 432 



Botanical and Gardening Books By Dr. F. Cavers 432 



Our Bookshelf 434 



Letters to the Editor: — 



Reflection of Rcintgen Radiation. — Prof. C. G. 



Barkla, F.R.S. : G. H. Martyn 435 



Shinohu Hirota.— Prof. J. Milne, F.R.S. . . . 435 

 The .Self-testingof Dispersion Apparatus. — Dr. C. V. 



Burton 435 



Petrifactions of the Earliest European Angiosperms. — 



Dr. Marie C Slopes 43^ 



Smoke Trace of Compound Vibrations of Tuning-fork. 

 {ri/„sl,a/icl.)—Pioi. E. H. Barton . . -436 



Breath Figures. By Lord Rayleigh, CM., F.R.S. 436 



Palseolithic Man 43^ 



Dr. C. Theodore Williams, M.V.0 439 



Notes 439 



Our Astronomical Column : — 



Sun-spots 44> 



The Iniernalional Time Conference 443 



Elements and Epheiiieris for Comet 1912.: (Borrelly) 443 

 The Influence of Spectrum Analysis on Cosmical 



Pioblems . . 445 



Elements of Recently Discovered Minor Planets . . 444 



The Physical Society's Exhibition 444 



Rivers, Glaciers, and the Ice-age. By G. A. J. C. . 444- 

 The Work of the Physikalisch-tec"hnische Reichs- 

 anstalt, Charlottenburg, in 1911. By E. S. 



Hodgson 446 



Award of Beit Memorial Fellowships 447 



Zoology at the British Association. liy Dr. J. H. 



Ashworth .... 447 



University and Educational Intelligence 45' 



Societies and Academies • ■ 45^ 



Books Received 455 



Diary of Societies • ■ ■ 45^ 



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Editorial Communications to the Editor. 



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